Convert returned JSON Object Properties to (lower first) camelCase

Question

I have JSON returned from an API like so:

Contacts: [{ GivenName: "Matt", FamilyName: "Berry" }]

To keep this consistent

Answer 1

Use lodash ...

function isPrimitive (variable) {
  return Object(variable) !== variable
}

function toCamel (variable) {
  if (isPrimitive(variable)) {
    return variable
  }

  if (_.isArray(variable)) {
    return variable.map(el => toCamel(el))
  }

  const newObj = {}
  _.forOwn(variable, (value, key) => newObj[_.camelCase(key)] = toCamel(value))

  return newObj
}